From: Stephen Warren <swarren@nvidia.com>
Date: Thu, 12 Dec 2013 21:40:30 +0000 (-0700)
Subject: ARM: tegra: fix pinctrl misconfiguration on Venice2
X-Git-Tag: firefly_0821_release~176^2~4512^2~16^2~2
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=4ffb93857656a988ceb79473390a7cb1afd01d35;p=firefly-linux-kernel-4.4.55.git

ARM: tegra: fix pinctrl misconfiguration on Venice2

Other boards use PULL_NONE for their debug UART pins, and without this
change, the board doesn't accept any serial input.

Don't set the I2S port pins to tristate mode, or no audio signal will
be sent out.

Fixes: 605ae5804385 ("ARM: tegra: add default pinctrl nodes for Venice2")
Signed-off-by: Stephen Warren <swarren@nvidia.com>
---

diff --git a/arch/arm/boot/dts/tegra124-venice2.dts b/arch/arm/boot/dts/tegra124-venice2.dts
index 616759c3c7e5..b31e18798be7 100644
--- a/arch/arm/boot/dts/tegra124-venice2.dts
+++ b/arch/arm/boot/dts/tegra124-venice2.dts
@@ -40,7 +40,7 @@
 				nvidia,function = "i2s1";
 				nvidia,enable-input = <TEGRA_PIN_ENABLE>;
 				nvidia,pull = <TEGRA_PIN_PULL_NONE>;
-				nvidia,tristate = <TEGRA_PIN_ENABLE>;
+				nvidia,tristate = <TEGRA_PIN_DISABLE>;
 			};
 			dvfs_pwm_px0 {
 				nvidia,pins = "dvfs_pwm_px0";
@@ -250,7 +250,7 @@
 					      "pu3";
 				nvidia,function = "uarta";
 				nvidia,enable-input = <TEGRA_PIN_ENABLE>;
-				nvidia,pull = <TEGRA_PIN_PULL_UP>;
+				nvidia,pull = <TEGRA_PIN_PULL_NONE>;
 				nvidia,tristate = <TEGRA_PIN_DISABLE>;
 			};
 			uart2_cts_n_pj5 {